207777990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{989419}}^1$

素因数の和:989436

約数の個数: 32

約数和(自身を含む): 569905920

約数和(自身を除く): 362127930

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 989419, 1978838, 2968257, 4947095, 5936514, 6925933, 9894190, 13851866, 14841285, 20777799, 29682570, 34629665, 41555598, 69259330, 103888995, 207777990]

約数ペア:

[(1, 207777990), (2, 103888995), (3, 69259330), (5, 41555598), (6, 34629665), (7, 29682570), (10, 20777799), (14, 14841285), (15, 13851866), (21, 9894190), (30, 6925933), (35, 5936514), (42, 4947095), (70, 2968257), (105, 1978838), (210, 989419)]